Dinham Kennel uses tenant-days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant-day. During March, the kennel budgeted for 5,100 tenant-days, but its actual level of activity was 5,140 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for March: Data used in budgeting: Fixed element per month Variable element per tenant-day Revenue 0 $ 35.60 Wages and salaries $ 2,300 $ 9.00 Food and supplies 1,500 15.50 Facility expenses 7,900 4.50 Administrative expenses 6,400 0.30 Total expenses $ 18,100 $ 29.30 Actual results for March: Revenue $ 170,525 Wages and salaries $ 28,700 Food and supplies $ 80,870 Facility expenses $ 31,540 Administrative expenses $ 7,110 The spending variance for food and supplies in March would be closest to